Elkin, Judith, author
Facet Publishing , 2004
Buku Teks
Artikel Jurnal
Ramelan P. Utojo, author
IKIP Semarang Press , 1990
Buku Teks
Folse, Keith S.
Binarupa Aksara Press , 1993
Buku Teks
Richards, Jack C., author
Cambridge University Press, 2009
Buku Teks